Summary statistics for cholecystectomyper1000medicareen variable in 1993_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cholecyste~n |         52    5.180382    .6293989    3.71394   6.605059

by Jean Roth , jroth@nber.org , 14 Mar 2018